Home / 10,425.38-15,635.60-3,403.58

Finding the Fourth Proportional to 10,425.38, 15,635.60 and 3,403.58

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Solution

The fourth proportional to 10,425.38, 15,635.60 and 3,403.58 is: 5,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.38 : 15,635.60 = 3,403.58 : x
  2. Step 2: Convert to fraction form
    10,425.38/15,635.60 = 3,403.58/x
  3. Step 3: Cross multiply
    10,425.38x = 15,635.60 × 3,403.58
  4. Step 4: Simplify right side
    10,425.38x = 53,216,945.78
  5. Step 5: Solve for x
    x = 53,216,945.78/10,425.38
  6. Step 6: Final answer
    x = 5,104.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.